655223510530643 has 8 divisors (see below), whose sum is σ = 693768036131280. Its totient is φ = 616679203392000.

The previous prime is 655223510530627. The next prime is 655223510530681. The reversal of 655223510530643 is 346035015322556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655223510530643 - 2⁴ = 655223510530627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655223510530591 and 655223510530600.

It is not an unprimeable number, because it can be changed into a prime (655223510530613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48420473 + ... + 60456506.

It is an arithmetic number, because the mean of its divisors is an integer number (86721004516410).

Almost surely, 2^{655223510530643} is an apocalyptic number.

655223510530643 is a deficient number, since it is larger than the sum of its proper divisors (38544525600637).

655223510530643 is a wasteful number, since it uses less digits than its factorization.

655223510530643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109230997.

The product of its (nonzero) digits is 9720000, while the sum is 50.

The spelling of 655223510530643 in words is "six hundred fifty-five trillion, two hundred twenty-three billion, five hundred ten million, five hundred thirty thousand, six hundred forty-three".